Module: V1::ApiController::Pagination

Included in:
V1::ApiController
Defined in:
app/controllers/v1/api_controller/pagination.rb

Overview

Pagination request module

Instance Method Summary collapse

Instance Method Details

#compile_page(uri, page) ⇒ string

Compile the page uri for request.


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# File 'app/controllers/v1/api_controller/pagination.rb', line 25

def compile_page(uri, page)
  # Get the query params of the URI request
  query_params = Rack::Utils.parse_query(uri.query)  # Change the param page for the *page* param

  query_params['page'] = page.to_s  # Change the uri query with the new data

  uri.query = Rack::Utils.build_query(query_params)  # Return the URI in String format

  uri.to_s
end

#select_page(collection) ⇒ ActiveRecord

Get the specific page collection with limit option.


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# File 'app/controllers/v1/api_controller/pagination.rb', line 12

def select_page(collection)
  page = params['page'] || 1  # The value of the param of the request or the configuration value

  limit = params['limit'] || Rails.application.secrets.return_configuration[:items_per_page]  # The result por the page *page* with a limit of *limit*

  collection.page(page).per(limit)
end